Value Pack: Comes with 10 pieces E27 screw sockets, suitable for E26/E27 screw bulbs, such as LED, incandescent, halogen and energy saving lamps.Quality material: The lamp holder socket terminals are made of solid thermoset plastic and the gasket is made of high precision brass, which is fire resistant, heat resistant and protected against electric shock. Simple design: the bakelite screw E27 socket is a retro style lamp holder from the edison period which will be perfectly mixed with bulbs of different shapes and colors. Wide application: the bulb holder is suitable for all E27 lamps. It can be used for DIY chandelier, decoration of living room, kitchen, dining room and office, etc. Easy installation: equipped with a black cord grip that connects the wires to the positive / negative poles , then assemble all the pieces together.